1391 Alpine Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1391 Alpine Ave, Boulder, CO 80304

Property Summary

Property Type	Multi-Family Dwellings
Details	4 bd · 2 ba · 1,755 sqft · built 1954
Lot Size	0.194 acres (8,464 sqft)
Owner	Individual Name on File
Last Sale	$207,000 (Dec 1996)
Tax Bill	$7,955 (2025)
Flood Zone	Zone X (minimal risk)
APN	`1463-30-2-21-006`

Property Details

APN / Parcel Number

Primary APN	`1463-30-2-21-006`
Alternative APNs	`R0001268` `0001268`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,755 sqft Living Area
1st Floor Area	1,755 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	8,464 sqft (0.194 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0001268
Street Address	1391 ALPINE AVE
City	BOULDER
State	CO
Zip	80304-3503
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	E 70 FT S 120 FT LOT 51 WOLFFS
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	WOLFFS - BO
Legal Block	1
Legal Lot Number	51
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1010
Census Tract	12106

Owner

Source: Boulder County records · APN 1463-30-2-21-006

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	1391 ALPINE AVE, BOULDER, CO 80304-3503
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 18, 1996 · Amount on Record
Deed Sale	Dec 18, 1996 · Amount on Record
Prior Sale	Aug 30, 1988 · Amount on Record
Deed Document Number	19961665079
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$88,938 (+8.8%) Land $64,954 Building $23,984	$1,307,900 (-) Land $955,200 Building $352,700
2025	$7,955.00 (+2.47%)	$81,744 (-11%) Land $59,700 Building $22,044	$1,307,900 (-4.59%) Land $955,200 Building $352,700
2023	$7,763.00 (+21.13%)	$91,843 (+36.26%) Land $63,221 Building $28,622	$1,370,800 (+38.3%) Land $943,600 Building $427,200
2022	$6,409.00	$67,402 Land $46,689 Building $20,713	$991,200 Land $686,600 Building $304,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121061, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 27 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	102 units insured incl. 75 condo units
Nearby Flood Claims	4 (2013–2023)
Most Recent Claim	Mar 2023 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

Based on FCC filings for 596 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107152, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF BOULDER serves 166,080 people
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.